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- Introduction to the QRT Ray Tracer
-
-
- QRT is a ray tracing image rendering system that runs under a variety of
- operating systems. It has a free format input language with extensive error
- detection and reporting capabilities.
-
- This manual is divided into several sections as follows:
-
- QRT Language Reference:
-
- This is a quick reference guide to the QRT command anguage. It can suffice
- as a tutorial for those familiar with ray tracing programs, or function as a
- guide to QRT features not described in the User Manual.
-
- QRT User Manual:
-
- The User Manual is a more complete tutorial to the QRT system. It describes
- the basic commands and features of QRT, without listing every possible
- command or option. It would be a good starting place for beginners. QRT bugs
- and desired enhancements are listed at the end of this section.
-
- QRT Error Codes
-
- The error code section explains QRT error messages in detail, and lists
- solutions or suggestions where appropriate.
-
- Context Free Grammar
-
- This is a BNF style context free grammar description of the QRT input
- language. It may be used as a quick reference for people familiar with
- compiler terminology.
-
- QRT Sample Programs
-
- These are actual QRT input files; they show suggested QRT indenting style
- and give examples of various features.
-
- References
-
- Howard Anton, Elementary Linear Algebra, Anton Textbooks, Inc., 1987
-
- David F. Rogers, Procedural Elements for Computer Graphics, McGraw Hill,
- Inc., 1985
-
- Eric Graham, Graphic Scene Simulations, Amiga World, CW
- Communications/Peterborough, Inc., May/June 1987
-